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wifi: mac80211: improve drop for action frame return

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If we use a drop we not only save the extra call to
dev_kfree_skb(), but also have a better reason in
tracing, so do that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240320091155.34daf0a89eb4.I60e0639511f9de64e40e6105b640adf90f8f57f7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-03-20 09:14:04 +02:00
parent 2f51c87a15
commit 6e02ba7c9e
2 changed files with 4 additions and 3 deletions
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3
net/mac80211/drop.h
View File

@ -2,7 +2,7 @@
/*
* mac80211 drop reason list
*
* Copyright (C) 2023 Intel Corporation
* Copyright (C) 2023-2024 Intel Corporation
*/
#ifndef MAC80211_DROP_H
@ -66,6 +66,7 @@ typedef unsigned int __bitwise ieee80211_rx_result;
R(RX_DROP_U_UNEXPECTED_STA_4ADDR) \
R(RX_DROP_U_UNEXPECTED_VLAN_MCAST) \
R(RX_DROP_U_NOT_PORT_CONTROL) \
R(RX_DROP_U_UNKNOWN_ACTION_REJECTED) \
/* this line for the trailing \ - add before this */
/* having two enums allows for checking ieee80211_rx_result use with sparse */

4
net/mac80211/rx.c
View File

@ -3958,8 +3958,8 @@ ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx)
__ieee80211_tx_skb_tid_band(rx->sdata, nskb, 7, -1,
status->band);
}
dev_kfree_skb(rx->skb);
return RX_QUEUED;
return RX_DROP_U_UNKNOWN_ACTION_REJECTED;
}
static ieee80211_rx_result debug_noinline